compulsory stop

例句：

1. 1. The school requires all students to wear uniforms.
   学校要求所有学生都穿校服。
2. 2.This is a mandatory requirement for all employees.
   这是所有员工都必须遵守的规定。
3. 3. The government has made it mandatory for everyone to register their vote.
   政府已经规定每个人必须注册投票。